# United States tariff lines under HS 7304.24

> The United States tariff splits HS 7304.24 (casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other, of stainless steel) into 18 national lines: 7304.24.30.10 (having a wall thickness less than 12.7 mm), 7304.24.30.20 (having a wall thickness of 12.7 mm or more), 7304.24.30.30 (having a wall thickness less than 12.7 mm), 7304.24.30.40 (having a wall thickness of 12.7 mm or more) and 14 others. Every United States line under 7304.24 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/730424
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 73](https://border.bot/countries/united-states/hs-codes/73) / [7304.24](https://border.bot/countries/united-states/hs-codes/730424)

## Key facts

- HS subheading: [7304.24](https://border.bot/hs-codes/730424)
- Duty (MFN): Free
- National lines: 18
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 73: Articles of iron or steel

## United States lines under 7304.24

The United States tariff splits HS 7304.24 (casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other, of stainless steel) into 18 national lines: 7304.24.30.10 (having a wall thickness less than 12.7 mm), 7304.24.30.20 (having a wall thickness of 12.7 mm or more), 7304.24.30.30 (having a wall thickness less than 12.7 mm), 7304.24.30.40 (having a wall thickness of 12.7 mm or more) and 14 others.

Every United States line under 7304.24 is free of general (MFN) duty.

- [7304.24.30.10](https://border.bot/countries/united-states/hs-codes/7304243010) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Threaded or coupled, Having an outside diameter less than 215.9 mm, Having a wall thickness less than 12.7 mm. Duty (MFN): free
- [7304.24.30.20](https://border.bot/countries/united-states/hs-codes/7304243020) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Threaded or coupled, Having an outside diameter less than 215.9 mm, Having a wall thickness of 12.7 mm or more. Duty (MFN): free
- [7304.24.30.30](https://border.bot/countries/united-states/hs-codes/7304243030) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Threaded or coupled, Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm, Having a wall thickness less than 12.7 mm. Duty (MFN): free
- [7304.24.30.40](https://border.bot/countries/united-states/hs-codes/7304243040) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Threaded or coupled, Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm, Having a wall thickness of 12.7 mm or more. Duty (MFN): free
- [7304.24.30.45](https://border.bot/countries/united-states/hs-codes/7304243045) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Threaded or coupled, Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm. Duty (MFN): free
- [7304.24.30.80](https://border.bot/countries/united-states/hs-codes/7304243080) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Threaded or coupled, Having an outside diameter exceeding 406.4 mm. Duty (MFN): free
- [7304.24.40.10](https://border.bot/countries/united-states/hs-codes/7304244010) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter less than 215.9 mm, Having a wall thickness less than 12.7 mm. Duty (MFN): free
- [7304.24.40.20](https://border.bot/countries/united-states/hs-codes/7304244020) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter less than 215.9 mm, Having a wall thickness of 12.7 mm or more. Duty (MFN): free
- [7304.24.40.30](https://border.bot/countries/united-states/hs-codes/7304244030) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm, Having a wall thickness less than 12.7 mm. Duty (MFN): free
- [7304.24.40.40](https://border.bot/countries/united-states/hs-codes/7304244040) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter of 215.9 mm or more but not exceeding 285.8 mm, Having a wall thickness of 12.7 mm or more. Duty (MFN): free
- [7304.24.40.50](https://border.bot/countries/united-states/hs-codes/7304244050) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm, Having a wall thickness less than 12.7 mm. Duty (MFN): free
- [7304.24.40.60](https://border.bot/countries/united-states/hs-codes/7304244060) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm, Having a wall thickness of 12.7 mm or more. Duty (MFN): free
- [7304.24.40.80](https://border.bot/countries/united-states/hs-codes/7304244080) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Casing, Other, Having an outside diameter exceeding 406.4 mm. Duty (MFN): free
- [7304.24.60.15](https://border.bot/countries/united-states/hs-codes/7304246015) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Tubing, Having an outside diameter not exceeding 114.3 mm, Having a wall thickness not exceeding 9.5 mm. Duty (MFN): free
- [7304.24.60.30](https://border.bot/countries/united-states/hs-codes/7304246030) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Tubing, Having an outside diameter not exceeding 114.3 mm, Having a wall thickness exceeding 9.5 mm. Duty (MFN): free
- [7304.24.60.45](https://border.bot/countries/united-states/hs-codes/7304246045) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Tubing, Having an outside diameter exceeding 114.3 mm but less than 215.9 mm. Duty (MFN): free
- [7304.24.60.60](https://border.bot/countries/united-states/hs-codes/7304246060) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Tubing, Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm. Duty (MFN): free
- [7304.24.60.75](https://border.bot/countries/united-states/hs-codes/7304246075) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas, Other, of stainless steel, Tubing, Having an outside diameter exceeding 406.4 mm. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 7304.24 yet.

- [The Harmonized System text for 7304.24](https://border.bot/hs-codes/730424)

- Previous subheading: [7304.23](https://border.bot/countries/united-states/hs-codes/730423) Other drill pipe
- Next subheading: [7304.29](https://border.bot/countries/united-states/hs-codes/730429) Other

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 7304.24?

The United States tariff splits HS 7304.24 (casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other, of stainless steel) into 18 national lines: 7304.24.30.10 (having a wall thickness less than 12.7 mm), 7304.24.30.20 (having a wall thickness of 12.7 mm or more), 7304.24.30.30 (having a wall thickness less than 12.7 mm), 7304.24.30.40 (having a wall thickness of 12.7 mm or more) and 14 others.

### What is the duty on HS 7304.24 in the United States?

Every United States line under 7304.24 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/730424.json